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Table 1 Summary of the epidemiological data, clinical signs and ventricle-brain ration before and after acetazolamide therapy and after surgical therapy in six dogs with idiopathic internal hydrocephalus

From: Effect of acetazolamide and subsequent ventriculo-peritoneal shunting on clinical signs and ventricular volumes in dogs with internal hydrocephalus

Breed Gender Age (weeks) Neurologic signs on admission Duration of signs (weeks) Neurologic signs 6 weeks after acetazolamide therapy Neurologic signs 6 weeks after surgery Ventricle-brain ratio before treatment Ventricle-brain ratio after acetozaolamide therapy Ventricle-brain ratio after surgery
Chihuahua Male intact 12 Obtundation circling, bilateral ventrolateral strabismus ~8 Obtundation circling, bilateral ventrolateral strabismus None 0.26 0.3 0.05
Boston Terrier Male intact 22 Obtundation, circling, aimless barking ~4 Obtundation, circling, aimless barking None 0.5 0.48 0.5
Jack Russel Terrier Female intact 18 Posttectal visual deficits, absent menace response ~10 Posttectal visual deficits, absent menace response Posttectal visual deficits, absent menace response 0.3 0.35 0.08
Chihuahua Female intact 21 Obtundation, mild ataxia on all four limbs ~12 Obtundation, mild ataxia on all four limbs None 0.35 0.4 0.04
Mixed breed Female intact 20 Obtundation, mild ataxia on all four limbs, hypermetric gait ~8 Obtundation, mild ataxia on all four limbs, hypermetric gait None 0.33 0.36 0.03
Dachshund Female intact 28 Visual deficits, reduced menace response ~12 Visual deficits, reduced menace response None 0.36 0.4 0.08